Type instability in Base has been fixed; remove here.

Author: Jutho

src/TupleTools.jl

@@ -1,6 +1,7 @@
 module TupleTools
 
 using Base: tuple_type_head, tuple_type_tail, tuple_type_cons, tail, front, setindex
+import Base: permute # TODO: this can disappear when Sparse moves out of Base
 
 """
     struct StaticLength{N} end
@@ -29,10 +30,6 @@ else
     @inline Base.ntuple(f, ::StaticLength{N}) where {N} = ntuple(f, Val{N}())
 end
 
-if VERSION >= v"0.7-" # to fix type instability in (f)indmin / (f)indmax
-    Base.pairs(collection) = (k=>v for (k,v) in zip(keys(collection), values(collection)))
-end
-
 @inline argtail2(a, b, c...) = c
 
 """